package SHIYAN2;

import java.util.*;

public class system {
	public static void main(String[] args) {
		Scanner input = new Scanner(System.in);	
		System.out.println("欢迎进入选课系统");
		System.out.println("请进行您的操作：");
		System.out.println("1.进入");
		System.out.println("0.退出");
		System.out.print("请输入数字选项（0~1）");
	}
}